Molecular formula: NaBr
Molecular weight: 102.9
Properties: White cubic crystal. Density 3.203，mp 755℃.
Odorless, slighyly bitter. Hygroscopic. Slightly soluble
in ethanol.
Specification:
|
Typical measured value |
Export
grade |
Photo.
grade |
Appearance |
White crystals |
White crystals |
Purity, % ≥ |
99 |
99.5 |
Clarity |
pass |
pass |
Chloride, %≤ |
0.1 |
0.1 |
Sulfate, %≤ |
0.01 |
0.005 |
Bromate, %≤ |
0.003 |
0.001 |
pH |
5-8 |
5-8 |
Water, % |
0.5 |
0.3 |
Heavy metal (Pb),
%≤ |
0.0005 |
0.0003 |
Iodide, %≤ |
|
0.006 |
Fe, %≤ |
|
0.0002 |
Transmittance at 410nm (5% w/v aq.
sol.) |
|
93.0-100.0 |
KMnO4
test |
|
pass |
Use: in manufacturing bomides; in photography; diuretic,
sedative.
Precaution: Store in a dry, ventilated place. Avoid
moisture and light.
Packaging: Plastic woven bag. Net weight 25kg, 50kg,
500kg or 1000kg.
45% Sodium Bromide Solution
|
Typical measured value |
Appearance |
Clear colorless to light yellow
liquid |
Purity, % |
45-47 |
pH |
6-8 |
Turbidity |
=2.5 |
Density |
1.470-1.520 |
|
